Chapter 1 Outline- overview
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Meat by products are
Glue, medicine, fertilizer, catgut, chemicals, and leather
Live animals are used for
Milk, fiber, draft, transportation, sport, work, and pleasure
A 3 oz serving of roast beef has what percent of caloric needs
8% of daily caloric needs
Roast beef has what percent of daily protein
57%
Roast beef has what percent vitamin B 12 and what is it useful for
34% and important for hemoglobin in red blood cells
Roast beef has what percent of daily zinc
32%
Roast beef has what percent of niacin
18%
Roast beef has what percent of iron and why is it important
12% and plays a role with hemoglobin
Roast beef has how many mg of cholesterol?
72mg
A generation ago, what was animal science called
Animal Husbandry
What are the two differences between animal husbandry and animal science
• The production of healthy livestock was more an art than a science • Skills were passed down one generation to the next
Livestock producers
• Usually college educated • Rely on science-based, proven facts • Profit margins are small • Record keeping is essential
Producers have what responsibilities
• Preserve what is left of our natural resources • Only 2% of the voting public directly involved with agriculture • Producers must constantly defend their use of limited resources • City people are in competition for natural resources.
About how many species of animals are there?
1.5 million
What percent of living animals represent all the animals that have ever existed
Less than 1%
About how many species of mammals exist today
More than 15,000
What kind of relationship do domestic animals and humans have
Synergistic reltionship
What do domesticated animals provide humans with
Food, fiber, transportation, and draft power
Who and in what year brought horses, cattle, sheep, and hogs
Columbus in 1493
Who and in what year brought pigs from Cuba to Florida
Hernando de Soto in 1539
Where and in what year were sheep imported
Jamestown in 1609
Who and in what year were horses brought over
Spanish and 1600
What were the animals imported from Europe used for
Milk, butter, and draft
Who helped develop purebred herds in the east
George Washington and Thomas Jefferson